Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Tractive effort is required to Accelerate the train mass Overcome friction, windage and curve resistance Overcome the gravity component of train mass All of the listed here Accelerate the train mass Overcome friction, windage and curve resistance Overcome the gravity component of train mass All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ locomotive has the highest operational availability. All of the listed here Steam Diesel Electric All of the listed here Steam Diesel Electric ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems is used on steam locomotives? Hydraulic system Pneumatic system Vacuum system None of the listed here Hydraulic system Pneumatic system Vacuum system None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is an advantage of electric traction over other methods of traction? No pollution problems Faster acceleration All of the listed here Better braking action No pollution problems Faster acceleration All of the listed here Better braking action ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of locomotives the tractive power is provided by Double cylinder, double acting steam engine Single stage steam turbine Double cylinder, single acting steam engine Single cylinder double acting steam engine Double cylinder, double acting steam engine Single stage steam turbine Double cylinder, single acting steam engine Single cylinder double acting steam engine ANSWER DOWNLOAD EXAMIANS APP
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